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- I pass my hands lovingly about the smooth skin of a silver birch, or the rough, shaggy bark of a pine. 我用手喜爱地抚摸过一株白桦那光潮的树皮，或一棵松树的粗糙树皮。
- I pass my hands lovingly about the smooth skin of a silver birch,or the rough,shaggy bark of a pine. 我用手喜爱地抚摸过一株白桦那光潮的树皮，或一棵松树的粗糙树皮。
- I pass my hands lovingly aboutthe smooth skin of a silver birch or the rough a shaggy bark of a pine. 我抚摸着白桦光滑的树表或松树粗糙扎手的树皮,久久爱不释手。
- I pass my hands lovingly about the smooth skin of a silver birch, or the rough bark of a pine. 我伸手疼爱地摸摸白桦树光滑的表面或是松树粗糙的树皮。
- I pass my hands lovingly about the smooth skin of a silver birch, or the rough shaggy bark of a pine. 我钟爱地伸手抚摸，感觉出树叶的对称十分精巧，白桦树的肌肤光滑细腻，松树皮粗糙凸凹。
- I feel the delicate symmetry of a leaf.I pass my hands lovingly about the smooth skin of a silver birch, or the rough shaggy bark of a pine. 我钟爱地伸手抚摸、感觉出树叶的对称十分精巧，白桦树的肌肤光滑细腻，松树皮粗糙凹凸。
- I feel the delicate symmetry of a leaf.I pass my hands lovingly about the smooth skin of a silver birch or the rough shaggy back of a pine. 我感到了树叶精妙的对称美，通过手的抚摸，我感知到了白桦树树皮的光滑，或是松树厚树皮的粗糙。
- The trees were silver birches, four of them. 这些树一共是四棵，都是银桦。
- In midmost of the stream, embraced in the weir's shimmering arm-spread, a small island lay anchored, fringed close with willow and silver birch and alder. 在大坝那闪光的臂膀环抱中，安卧着一个小岛，四周密密层层长着柳树、白桦和赤杨。
- BACKGROUND &AIM: Betulin is an important triterpene. We investigated the antitumor activity of betulin,extracted from the bark of silver birch(Betula platyphylla Suk). 背景与目的白桦酯醇是一种重要的三萜类生物活性分子,本文从白桦树皮中提取获得白桦酯醇纯品,然后研究该生物活性分子抑制食管癌细胞的活性。
- Abstract BACKGROUND & AIM: Betulin is an important triterpene.We investigated the antitumor activity of betulin, extracted from the bark of silver birch (Betula platyphylla Suk). 摘要 背景与目的: 白桦酯醇是一种重要的三萜类生物活性分子，本文从白桦树皮中提取获得白桦酯醇纯品，然后研究该生物活性分子抑制食管癌细胞的活性。
- We passed the palm of silver birches, a huge spider statute, and a marine time sailing boat. 我们走过了一小片白桦林，巨大的蜘蛛雕塑，和航海时代的木帆船。
- For the next three days, the Rossiya clattered by impenetrable trackside ranks of leggy silver birches with hints of plump, dark emerald conifers. 接下来的三天时间里，罗西娅号在路轨边永无止境的白桦树夹持中隆隆行驶，开始可以看到深蓝色粗壮的黑松。
- Silver birches were edged out by conifers, and substantial brick houses, with double-pitched roofs, replaced the concrete and wooden dwellings of mid and western-Siberia. 路轨边已经是松树而不再是白桦，坚固的斜屋顶砖房替代了西伯利亚西部和中部用水泥木材建成的居所。
- Alder trees belong to the birch family. 赤杨属于桦木科。
- The birch has smooth bark and slender branches. 桦树有光滑的皮和细长的枝。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- She wore a silver chain around her neck. 她脖子上戴着一条银项链。
- They have some sterling silver cutlery. 他们有一些标准纯银餐具。
- He put the candle on the silver candlestick. 他把蜡烛放在银烛台上。
